linux/arch/powerpc/kernel/ppc_ksyms.c
Anton Blanchard 64ff312876 powerpc: Add support for popcnt instructions
POWER5 added popcntb, and POWER7 added popcntw and popcntd. As a first step
this patch does all the work out of line, but it would be nice to implement
them as inlines with an out of line fallback.

The performance issue with hweight was noticed when disabling SMT on a large
(192 thread) POWER7 box. The patch improves that testcase by about 8%.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2010-11-29 15:48:17 +11:00

196 lines
4.7 KiB
C

#include <linux/module.h>
#include <linux/threads.h>
#include <linux/smp.h>
#include <linux/sched.h>
#include <linux/elfcore.h>
#include <linux/string.h>
#include <linux/interrupt.h>
#include <linux/screen_info.h>
#include <linux/vt_kern.h>
#include <linux/nvram.h>
#include <linux/irq.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/bitops.h>
#include <asm/page.h>
#include <asm/processor.h>
#include <asm/cacheflush.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/atomic.h>
#include <asm/checksum.h>
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
#include <linux/adb.h>
#include <linux/cuda.h>
#include <linux/pmu.h>
#include <asm/prom.h>
#include <asm/system.h>
#include <asm/pci-bridge.h>
#include <asm/irq.h>
#include <asm/pmac_feature.h>
#include <asm/dma.h>
#include <asm/machdep.h>
#include <asm/hw_irq.h>
#include <asm/nvram.h>
#include <asm/mmu_context.h>
#include <asm/backlight.h>
#include <asm/time.h>
#include <asm/cputable.h>
#include <asm/btext.h>
#include <asm/div64.h>
#include <asm/signal.h>
#include <asm/dcr.h>
#include <asm/ftrace.h>
#ifdef CONFIG_PPC32
extern void transfer_to_handler(void);
extern void do_IRQ(struct pt_regs *regs);
extern void machine_check_exception(struct pt_regs *regs);
extern void alignment_exception(struct pt_regs *regs);
extern void program_check_exception(struct pt_regs *regs);
extern void single_step_exception(struct pt_regs *regs);
extern int sys_sigreturn(struct pt_regs *regs);
EXPORT_SYMBOL(clear_pages);
EXPORT_SYMBOL(copy_page);
EXPORT_SYMBOL(ISA_DMA_THRESHOLD);
EXPORT_SYMBOL(DMA_MODE_READ);
EXPORT_SYMBOL(DMA_MODE_WRITE);
EXPORT_SYMBOL(transfer_to_handler);
EXPORT_SYMBOL(do_IRQ);
EXPORT_SYMBOL(machine_check_exception);
EXPORT_SYMBOL(alignment_exception);
EXPORT_SYMBOL(program_check_exception);
EXPORT_SYMBOL(single_step_exception);
EXPORT_SYMBOL(sys_sigreturn);
#endif
#ifdef CONFIG_FUNCTION_TRACER
EXPORT_SYMBOL(_mcount);
#endif
EXPORT_SYMBOL(strcpy);
EXPORT_SYMBOL(strncpy);
EXPORT_SYMBOL(strcat);
EXPORT_SYMBOL(strlen);
EXPORT_SYMBOL(strcmp);
EXPORT_SYMBOL(strncmp);
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy_generic);
EXPORT_SYMBOL(ip_fast_csum);
EXPORT_SYMBOL(csum_tcpudp_magic);
EXPORT_SYMBOL(__copy_tofrom_user);
EXPORT_SYMBOL(__clear_user);
EXPORT_SYMBOL(__strncpy_from_user);
EXPORT_SYMBOL(__strnlen_user);
#ifdef CONFIG_PPC64
EXPORT_SYMBOL(copy_4K_page);
#endif
#if defined(CONFIG_PCI) && defined(CONFIG_PPC32)
EXPORT_SYMBOL(isa_io_base);
EXPORT_SYMBOL(isa_mem_base);
EXPORT_SYMBOL(pci_dram_offset);
#endif /* CONFIG_PCI */
EXPORT_SYMBOL(start_thread);
EXPORT_SYMBOL(kernel_thread);
EXPORT_SYMBOL(giveup_fpu);
#ifdef CONFIG_ALTIVEC
EXPORT_SYMBOL(giveup_altivec);
#endif /* CONFIG_ALTIVEC */
#ifdef CONFIG_VSX
EXPORT_SYMBOL(giveup_vsx);
EXPORT_SYMBOL_GPL(__giveup_vsx);
#endif /* CONFIG_VSX */
#ifdef CONFIG_SPE
EXPORT_SYMBOL(giveup_spe);
#endif /* CONFIG_SPE */
#ifndef CONFIG_PPC64
EXPORT_SYMBOL(flush_instruction_cache);
#endif
EXPORT_SYMBOL(__flush_icache_range);
EXPORT_SYMBOL(flush_dcache_range);
#ifdef CONFIG_SMP
#ifdef CONFIG_PPC32
EXPORT_SYMBOL(smp_hw_index);
#endif
#endif
#ifdef CONFIG_ADB
EXPORT_SYMBOL(adb_request);
EXPORT_SYMBOL(adb_register);
EXPORT_SYMBOL(adb_unregister);
EXPORT_SYMBOL(adb_poll);
EXPORT_SYMBOL(adb_try_handler_change);
#endif /* CONFIG_ADB */
#ifdef CONFIG_ADB_CUDA
EXPORT_SYMBOL(cuda_request);
EXPORT_SYMBOL(cuda_poll);
#endif /* CONFIG_ADB_CUDA */
EXPORT_SYMBOL(to_tm);
#ifdef CONFIG_PPC32
long long __ashrdi3(long long, int);
long long __ashldi3(long long, int);
long long __lshrdi3(long long, int);
EXPORT_SYMBOL(__ashrdi3);
EXPORT_SYMBOL(__ashldi3);
EXPORT_SYMBOL(__lshrdi3);
int __ucmpdi2(unsigned long long, unsigned long long);
EXPORT_SYMBOL(__ucmpdi2);
#endif
EXPORT_SYMBOL(memcpy);
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(memcmp);
EXPORT_SYMBOL(memchr);
#if defined(CONFIG_FB_VGA16_MODULE)
EXPORT_SYMBOL(screen_info);
#endif
#ifdef CONFIG_PPC32
EXPORT_SYMBOL(timer_interrupt);
EXPORT_SYMBOL(tb_ticks_per_jiffy);
EXPORT_SYMBOL(cacheable_memcpy);
EXPORT_SYMBOL(cacheable_memzero);
#endif
#ifdef CONFIG_PPC32
EXPORT_SYMBOL(switch_mmu_context);
#endif
#ifdef CONFIG_PPC_STD_MMU_32
extern long mol_trampoline;
EXPORT_SYMBOL(mol_trampoline); /* For MOL */
EXPORT_SYMBOL(flush_hash_pages); /* For MOL */
#ifdef CONFIG_SMP
extern int mmu_hash_lock;
EXPORT_SYMBOL(mmu_hash_lock); /* For MOL */
#endif /* CONFIG_SMP */
extern long *intercept_table;
EXPORT_SYMBOL(intercept_table);
#endif /* CONFIG_PPC_STD_MMU_32 */
#ifdef CONFIG_PPC_DCR_NATIVE
EXPORT_SYMBOL(__mtdcr);
EXPORT_SYMBOL(__mfdcr);
#endif
EXPORT_SYMBOL(empty_zero_page);
#ifdef CONFIG_PPC64
EXPORT_SYMBOL(__arch_hweight8);
EXPORT_SYMBOL(__arch_hweight16);
EXPORT_SYMBOL(__arch_hweight32);
EXPORT_SYMBOL(__arch_hweight64);
#endif